Home / 20,523.98-28,281.25-14,152.52

Finding the Fourth Proportional to 20,523.98, 28,281.25 and 14,152.52

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Solution

The fourth proportional to 20,523.98, 28,281.25 and 14,152.52 is: 19,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.98 : 28,281.25 = 14,152.52 : x
  2. Step 2: Convert to fraction form
    20,523.98/28,281.25 = 14,152.52/x
  3. Step 3: Cross multiply
    20,523.98x = 28,281.25 × 14,152.52
  4. Step 4: Simplify right side
    20,523.98x = 400,251,044.64
  5. Step 5: Solve for x
    x = 400,251,044.64/20,523.98
  6. Step 6: Final answer
    x = 19,501.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.